/**** 
* Classes
****/ 
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + enemyGraphics.height / 2) {
			self.destroy();
			enemies.splice(enemies.indexOf(self), 1);
		}
	};
	self.shoot = function () {
		for (var i = 0; i < 3; i++) {
			var bullet = new EnemyBullet();
			bullet.x = self.x + i * 50 - 50; // Offset each bullet for spread effect
			bullet.y = self.y + enemyGraphics.height / 2;
			game.addChild(bullet);
			enemyBullets.push(bullet);
			LK.getSound('Shoot').play();
		}
	};
});
// EnemyBullet class
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + bulletGraphics.height / 2) {
			self.destroy();
			enemyBullets.splice(enemyBullets.indexOf(self), 1);
		}
	};
});
//<Assets used in the game will automatically appear here>
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Hero update logic
	};
	self.shoot = function () {
		var bullet = new HeroBullet();
		bullet.x = self.x;
		bullet.y = self.y - heroGraphics.height / 2;
		game.addChild(bullet);
		heroBullets.push(bullet);
		if (self.doubleBullets) {
			var bullet2 = new HeroBullet();
			bullet2.x = self.x + 50;
			bullet2.y = self.y - heroGraphics.height / 2;
			game.addChild(bullet2);
			heroBullets.push(bullet2);
		}
		LK.getSound('Shoot').play();
	};
	self.powerUp = function () {
		self.doubleBullets = true;
		LK.setTimeout(function () {
			self.doubleBullets = false;
		}, 10000);
	};
});
// HeroBullet class
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.y < -bulletGraphics.height / 2) {
			self.destroy();
			heroBullets.splice(heroBullets.indexOf(self), 1);
		}
	};
});
// PowerUp class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + powerUpGraphics.height / 2) {
			self.destroy();
			powerUps.splice(powerUps.indexOf(self), 1);
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
function spawnPowerUp() {
	var powerUp = new PowerUp();
	powerUp.x = Math.random() * 2048;
	powerUp.y = -powerUp.height / 2;
	game.addChild(powerUp);
	powerUps.push(powerUp);
}
var hero;
var enemies = [];
var heroBullets = [];
var enemyBullets = [];
var powerUps = [];
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = -enemy.height / 2;
	game.addChild(enemy);
	enemies.push(enemy);
}
function handleMove(x, y, obj) {
	hero.x = x;
	hero.y = y;
}
game.down = function (x, y, obj) {
	handleMove(x, y, obj);
};
game.move = handleMove;
game.update = function () {
	if (LK.ticks % 60 == 0) {
		spawnEnemy();
	}
	if (LK.ticks % 600 == 0) {
		spawnPowerUp();
	}
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		heroBullets[i].update();
	}
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (LK.ticks % 120 == 0) {
			enemies[i].shoot();
		}
	}
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		enemyBullets[i].update();
	}
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (heroBullets[i].intersects(enemies[j])) {
				score++;
				scoreTxt.setText(score);
				heroBullets[i].destroy();
				enemies[j].destroy();
				heroBullets.splice(i, 1);
				enemies.splice(j, 1);
				break;
			}
		}
	}
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		if (enemyBullets[i].intersects(hero)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			break;
		}
	}
};
hero = new Hero();
hero.x = 2048 / 2;
hero.y = 2732 - 200;
game.addChild(hero);
LK.setInterval(function () {
	hero.shoot();
}, 500);
for (var i = powerUps.length - 1; i >= 0; i--) {
	powerUps[i].update();
	if (powerUps[i].intersects(hero)) {
		powerUps[i].destroy();
		powerUps.splice(i, 1);
		hero.powerUp();
	}
}